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Table 3 Comparison of lead-related parameters between pre- and postchelation therapy

From: Changes in inflammatory cytokines, antioxidants and liver stiffness after chelation therapy in individuals with chronic lead poisoning

Parameters Prechelation
(mean + SD)
Postchelation (mean + SD) Mean difference between post- and prechelation (95% confidence interval) p-value
Blood lead level (μg/dL) 81.8 ± 9.9 56.6 ± 16.8 -25.2 + 13.8 (21.9–28.5) < 0.001
Liver stiffness (kPa) 5.3 ± 0.9 4.8 ± 1.4 - 0.5 + 1.2 (0.2–0.8) 0.001
Steatosis (dB/m) 208.6 ± 31.7 207.0 ± 45.0 -1.6 + 41.0 (-8.1–11.4) 0.738
TNF-α (pg/mL) 371.6 ± 211.3 215.8 ± 142.7 -155.8 + 137.4 (120.9–190.7) < 0.001
Interleukin-1β (pg/mL) 29.8 ± 1.7 25.9 ± 4.3 -3.8 + 3.7 (2.9–4.8) < 0.001
Interleukin-6 (pg/mL) 46.8 ± 10.2 35.0 ± 11.9 -11.8 + 10.6 (9.1–14.5) < 0.001
Glutathione (μg/mL) 3.3 ± 3.3 13.1 ± 3.7 9.8 + 3.7 (10.8–8.9) < 0.001
  1. Abbreviation: TNF tumor necrosis factor